Depending how far you're from being able to add the right oil, I'd leave it alone or just add 1/2-qt of your M1. If you're close to an oil change, and will drive the car several hundred miles, put the whole bottle.

SOLUTION: Either keep your oil always topped off (like I always do), or carry a bottle in your trunk. And to be consistent, always perform oil checks in your garage, not by relying on the random reading the computer throws while under way. Good luck.